Home / 124,982.64-172,476-68,393.52

Finding the Fourth Proportional to 124,982.64, 172,476 and 68,393.52

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Solution

The fourth proportional to 124,982.64, 172,476 and 68,393.52 is: 94,383.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,982.64 : 172,476 = 68,393.52 : x
  2. Step 2: Convert to fraction form
    124,982.64/172,476 = 68,393.52/x
  3. Step 3: Cross multiply
    124,982.64x = 172,476 × 68,393.52
  4. Step 4: Simplify right side
    124,982.64x = 11,796,240,755.52
  5. Step 5: Solve for x
    x = 11,796,240,755.52/124,982.64
  6. Step 6: Final answer
    x = 94,383.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.